Name three changes of state that can take place when energy is removed from a substance

What type of reaction is shown in this thermochemical equation? a b heat → c d

When an atom undergoes beta decay, wich of the following is true?

The substance that exists in the greatest quantity in a solution is called what?

Which statement correctly describes a reaction in dynamic equilibrium? At dynamic equilibrium, the reactions stop and the amounts of reactants and products do not change.

What is the definition of the term salt?

Which of the following is not a source of air pollution related to human activities

You see rainforests a is far as the eye can see It rains every day and the humidity is fiercel Where might you be? Polar climate Tropical climate Subtropical climate Temperate climate

2. A balloon is dunked into a tank of cold water. How will this affect the size of the balloon?

Which of the following correctly describes a compound?

If the [H+] of a solution is 1.0 x 10 to the power of - 2 mol/L the pH is: (pH = - log (H+] 1 12 -2 2 chemistry